SYNCHRONIZATION AND BACKLASH CHECK OF 165 MM GUN WITH
GUNNER'S PERISCOPE M32C-RAMP METHOD (CONT)
Level main gun using gunner's quadrant M1A1.
Each level vial division mark is equal to approximately
Check level vial on 11-inch arm (1). If bubble in level vial is not within the three
division marks on the vial, notify support maintenance.
If boresighting, synchronization, and synchronization adjustment are within tolerance,
continue with backlash check (frame 11).
GO TO FRAME 11
Para 34 Cont